Set a CSP on the webmail, website/wiki and list manager.

1 files changed, 4 insertions, 2 deletions

diff --git a/roles/webmail/files/etc/nginx/sites-available/roundcube b/roles/webmail/files/etc/nginx/sites-available/roundcube
index ee6ff20..f4461ca 100644
--- a/roles/webmail/files/etc/nginx/sites-available/roundcube
+++ b/roles/webmail/files/etc/nginx/sites-available/roundcube
@@ -1,51 +1,53 @@
 server {
 
     listen      80;
     listen [::]:80;
 
     server_name    mail.fripost.org;
     server_name webmail.fripost.org;
 
     include snippets/acme-challenge.conf;
-    include snippets/headers.conf;
 
     access_log  /var/log/nginx/roundcube.access.log;
     error_log   /var/log/nginx/roundcube.error.log info;
 
     location / {
         return 301 https://$host$request_uri;
     }
 }
 
 
 server {
     listen      443;
     listen [::]:443;
 
     server_name    mail.fripost.org;
     server_name webmail.fripost.org;
 
     root         /var/lib/roundcube;
 
-    include snippets/ssl.conf;
     include snippets/headers.conf;
+    add_header Content-Security-Policy
+              "default-src 'none'; child-src 'self'; frame-src 'self'; connect-src 'self'; object-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self'; font-src 'self'; upgrade-insecure-requests; block-all-mixed-content; reflected-xss block; referrer no-referrer-when-downgrade; frame-ancestors 'none'; form-action 'self'; base-uri mail.fripost.org webmail.fripost.org";
+
+    include snippets/ssl.conf;
     ssl_certificate     /etc/nginx/ssl/mail.fripost.org.pem;
     ssl_certificate_key /etc/nginx/ssl/mail.fripost.org.key;
 
     location = /favicon.ico {
         root          /usr/share/roundcube/skins/default/images;
         log_not_found off;
         access_log    off;
         expires       max;
     }
 
     location = /robots.txt {
         allow         all;
         log_not_found off;
         access_log    off;
     }
 
     # Deny all attempts to access hidden files, or files under hidden
     # directories.
     location ~ /\. { return 404; }